How many movies have Cathi Turow and Victor DiNapoli collaborated on?

They have worked on 3 movies together! Their first movie together was Christmas Eve on Sesame Street (1978) while their highest rated movie together was Sesame Street: Elmo Visits the Firehouse (2002). They have not worked together since Sesame Street: Elmo's World: Opposites (2008). They are most known for their family films together.